FR2920932B1 - Methode d'estimation aveugle de parametres de modulation ofdm - Google Patents

Methode d'estimation aveugle de parametres de modulation ofdm

Info

Publication number
FR2920932B1
FR2920932B1 FR0757385A FR0757385A FR2920932B1 FR 2920932 B1 FR2920932 B1 FR 2920932B1 FR 0757385 A FR0757385 A FR 0757385A FR 0757385 A FR0757385 A FR 0757385A FR 2920932 B1 FR2920932 B1 FR 2920932B1
Authority
FR
France
Prior art keywords
ofdm modulation
estimating method
modulation parameters
blind estimating
blind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0757385A
Other languages
English (en)
Other versions
FR2920932A1 (fr
Inventor
Abdelaziz Bouzegzi
Philippe Ciblat
Pierre Jallon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR0757385A priority Critical patent/FR2920932B1/fr
Priority to US12/204,550 priority patent/US8204139B2/en
Priority to EP08163789A priority patent/EP2034685B1/fr
Priority to JP2008229011A priority patent/JP2009111982A/ja
Publication of FR2920932A1 publication Critical patent/FR2920932A1/fr
Application granted granted Critical
Publication of FR2920932B1 publication Critical patent/FR2920932B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR0757385A 2007-09-06 2007-09-06 Methode d'estimation aveugle de parametres de modulation ofdm Expired - Fee Related FR2920932B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0757385A FR2920932B1 (fr) 2007-09-06 2007-09-06 Methode d'estimation aveugle de parametres de modulation ofdm
US12/204,550 US8204139B2 (en) 2007-09-06 2008-09-04 Blind estimation method of OFDM modulation parameters
EP08163789A EP2034685B1 (fr) 2007-09-06 2008-09-05 Méthode d'estimation aveugle de paramètres de modulation OFDM
JP2008229011A JP2009111982A (ja) 2007-09-06 2008-09-05 Ｏｆｄｍ変調パラメータのブラインド推定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0757385A FR2920932B1 (fr) 2007-09-06 2007-09-06 Methode d'estimation aveugle de parametres de modulation ofdm

Publications (2)

Publication Number Publication Date
FR2920932A1 FR2920932A1 (fr) 2009-03-13
FR2920932B1 true FR2920932B1 (fr) 2010-03-12

Family

ID=39284217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0757385A Expired - Fee Related FR2920932B1 (fr) 2007-09-06 2007-09-06 Methode d'estimation aveugle de parametres de modulation ofdm

Country Status (4)

Country Link
US (1) US8204139B2 (fr)
EP (1) EP2034685B1 (fr)
JP (1) JP2009111982A (fr)
FR (1) FR2920932B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936121B1 (fr) * 2008-09-15 2010-11-05 Commissariat Energie Atomique Methode d'estimation aveugle de parametres de modulation ofdm selon un critere de maximun de vraisemblance.
FR2945169B1 (fr) * 2009-04-29 2011-06-03 Commissariat Energie Atomique Methode d'identification d'un signal ofdm
ES2375121B2 (es) 2009-11-30 2012-09-27 Sistemas Integrados De Servicios De Telecontrol Método de estimación de ecos en un canal de comunicaciones utilizando señales digitales y extracción de parámetros en modulación OFDM.
US8744026B2 (en) 2010-10-13 2014-06-03 Telefonakktiebolaget Lm Ericsson (Publ) Method and apparatus for interference suppression using a reduced-complexity joint detection
US20130114437A1 (en) * 2011-11-04 2013-05-09 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
US9723496B2 (en) * 2011-11-04 2017-08-01 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700936B1 (en) * 1998-05-05 2004-03-02 British Broadcasting Corporation Many-carrier transmission system and a receiver therefor
CA2298316C (fr) * 1999-02-15 2009-11-17 Christian Dubuc Methode et systeme de detection et de classification de la modulation de signaux de telecommunications analogiques et numeriques inconnus

Also Published As

Publication number Publication date
EP2034685A1 (fr) 2009-03-11
JP2009111982A (ja) 2009-05-21
EP2034685B1 (fr) 2012-10-10
US20090067521A1 (en) 2009-03-12
US8204139B2 (en) 2012-06-19
FR2920932A1 (fr) 2009-03-13

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130531